Markdown數學符號速查表

Markdown符號速查表

目錄

• Markdown符號速查表
  • 希臘字母
  • 算符
    • 基本數學算符
    • 關系邏輯算符
    • 證明算符
    • 微積分及特殊算子
    • 矩陣向量
  • 數學字母
  • 着重符
  • 箭頭
  • 方程組

希臘字母

小寫字母	語法	大寫字母	語法
\(\alpha\)	$\alpha$	\(\Alpha\)	$\Alpha$
\(\beta\)	$\beta$	\(\Beta\)	$\Beta$
\(\gamma\)	$\gamma$	\(\Gamma\)	$\Gamma$
\(\delta\)	$\delta$	\(\Delta\)	$\Delta$
\(\lambda\)	$\lambda$	\(\Lambda\)	$\Lambda$
\(\omega\)	$\omega$	\(\Omega\)	$\Omega$
\(\psi\)	$\psi$	\(\Psi\)	$\Psi$
\(\chi\)	$\chi$	\(\Chi\)	$\Chi$
\(\rho\)	$\rho$	\(\Rho\)	$\Rho$
\(\epsilon\)	$\epsilon$	\(\Epsilon\)	$\Epsilon$
\(\kappa\)	$\kappa$	\(\Kappa\)	$\Kappa$
\(\pi\)	$\pi$	\(\Pi\)	$\Pi$
\(\phi\)	$\phi$	\(\Phi\)	$\Phi$
\(\sigma\)	$\sigma$	\(\Sigma\)	$\Sigma$
\(\theta\)	$\theta$	\(\Theta\)	$\Theta$
\(\upsilon\)	$\upsilon$	\(\Upsilon\)	$\Upsilon$
\(\xi\)	$\xi$	\(\Xi\)	$\Xi$
\(\tau\)	$\tau$	\(\Tau\)	$\Tau$
\(\iota\)	$\iota$	\(\Iota\)	$\Iota$
\(\eta\)	$\eta$	\(\Eta\)	$\Eta$
\(\zeta\)	$\zeta$	\(\Zeta\)	$\Zeta$
\(\mu\)	$\mu$	\(\Mu\)	$\Mu$
\(\nu\)	$\nu$	\(\Nu\)	$\Nu$
		\(\digamma\)	$\digamma$
		\(\aleph\)	$\aleph$
		\(\gimel\)	$\gimel$
		\(\daleth\)	$\daleth$
\(\varrho\)	$\varrho$
\(\varepsilon\)	$\varepsilon$
\(\varkappa\)	$\varkappa$
\(\varpi\)	$\varpi$
\(\varphi\)	$\varphi$
\(\varsigma\)	$\varsigma$
\(\vartheta\)	$\vartheta$

算符

基本數學算符

算符形式	語法
\(\times\)	$\times$
\(\div\)	$\div$
\(\sqrt{x}\)	$\sqrt{x}$
\(\frac{n}{d}\)	$\frac{n}{d}$
\(\cdot\)	$\cdot$
\(\centerdot\)	$\centerdot$
\(\setminus\)	$\setminus$
\(\%\)	$\%$
\(\ast\)	$\ast$
\(\$\)	$\$$
\(\infty\)	$\infty$
\(\pm\)	$\pm$
\(\mp\)	$\mp$
\(\lvert\)	$\lvert$
\(\rvert\)	$\rvert$
\(\lVert\)	$\lVert$
\(\rVert\)	$\rVert$

關系邏輯算符

算符形式	語法
\(\neq\)	$\neq$
\(\leq\)	$\leq$
\(\ge\)	$\ge$|
\(\equiv\)	$\equiv$
\(\approx\)	$\approx$
\(\simeq\)	$\simeq$
\(\cong\)	$\cong$
\(\ll\)	$\ll$
\(\gg\)	$\gg$
\(\propto\)	$\propto$
\(\varnothing\)	$\varnothing$
\(\varpropto\)	$\varpropto$
\(\mid\)	$\mid$
\(\shortmid\)	$\shortmid$
\(\parallel\)	$\parallel$
\(\multimap\)	$\multimap$
\(\perp\)	$\perp$
\(\subset\)	$\subset$
\(\supset\)	$\supset$
\(\subseteq\)	$\subseteq$
\(\supseteq\)	$\supseteq$
\(\subseteqq\)	$\subseteqq$
\(\supseteqq\)	$\supseteqq$
\(\nsubseteq\)	$\nsubseteq$
\(\nsupseteq\)	$\nsupseteq$
\(\subsetneqq\)	$\subsetneqq$
\(\supsetneqq\)	$\supsetneqq$
\(\cup\)	$\cup$
\(\cap\)	$\cap$
\(\in\)	$\in$
\(\notin\)	$\notin$
\(\vee\)	$\vee$
\(\wedge\)	$\wedge$
\(\And\)	$\And$

證明算符

算符形式	語法
\(\forall\)	$\forall$|
\(\exists\)	$\exists$|
\(\to\)	$\to$|
\(\iff\)	$\iff$|
\(\because\)	$\because$|
\(\therefore\)	$\therefore$|

微積分及特殊算子

算符形式	語法
\(\pounds\)	$\pounds$
\(\partial\)	$\partial$
\(\nabla\)	$\nabla$
\(\prod\)	$\prod$
\(\sum\)	$\sum$|
\(\int\)	$\int$|
\(\iint\)	$\iint$|
\(\iiint\)	$\iiint$|
\(\oint\)	$\oint$|
\(\oiint\)	$\oiint$|
\(\coprod\)	$\coprod$|
\(\ell\)	$\ell$|
\(\mathscr{F}\)	$\mathscr{F}$|
\(\mathscr{L}\)	$\mathscr{L}$|
\(\mathscr{M}\)	$\mathscr{M}$|
\(\mathscr{Z}\)	$\mathscr{Z}$|
\(\lim_{x\to\infty}\)	$\lim_{x\to\infty}$|

矩陣向量

示例	語法
\(\vec{a}\)	$\vec{a}$|
\(\ldots\)	$\ldots$|
\(\cdots\)	$\cdots$|
\(\ddots\)	$\ddots$|
\(\vdots\)	$\vdots$|
\(\left[ \begin{matrix}a&b\\c&d\end{matrix} \right]\)	$\left[ \begin{matrix}a&b\\c&d\end{matrix} \right]$|

數學字母

示例	語法
\(\mathnormal{A}\)	$\mathnormal{A}$|
\(\mathrm{A}\)	$\mathrm{A}$|
\(\mathsf{A}\)	$\mathsf{A}$|
\(\mathbf{A}\)	$\mathbf{A}$|
\(\mathit{A}\)	$\mathit{A}$|
\(\mathtt{A}\)	$\mathtt{A}$|
\(\mathfrak{A}\)	$\mathfrak{A}$|
\(\mathscr{A}\)	$\mathscr{A}$|
\(\mathcal{A}\)	$\mathcal{A}$|
\(\mathbb{A}\)	$\mathbb{A}$|
\(\boldsymbol{A}\)	$\boldsymbol{A}$|

着重符

示例	語法
\(\tilde{a}\)	$\tilde{a}$|
\(\hat{a}\)	$\hat{a}$|
\(\bar{a}\)	$\bar{a}$|
\(\dot{a}\)	$\dot{a}$|
\(\ddot{a}\)	$\ddot{a}$

箭頭

示例	語法	示例	語法	示例	語法
\(\rightarrow\)	$\rightarrow$|	\(\leftarrow\)	$\leftarrow$|	\(\to\)	$\to$|
\(\iff\)	$\iff$|	\(\multimap\)	$\multimap$|	\(\Rightarrow\)	$\Rightarrow$|
\(\Leftarrow\)	$\Leftarrow$|	\(\longrightarrow\)	$\longrightarrow$|	\(\Longrightarrow\)	$\Longrightarrow$|
\(\longleftarrow\)	$\longleftarrow$|	\(\Longleftarrow\)	$\Longleftarrow$|	\(\uparrow\)	$\uparrow$|
\(\Uparrow\)	$\Uparrow$|	\(\downarrow\)	$\downarrow$|	\(\Downarrow\)	$\Downarrow$|
\(\updownarrow\)	$\updownarrow$|	\(\Updownarrow\)	$\Updownarrow$|	\(\nearrow\)	$\nearrow$|
\(\nwarrow\)	$\nwarrow$|	\(\swarrow\)	$\swarrow$|	\(\searrow\)	$\searrow$|
\(\longleftrightarrow\)	$\longleftrightarrow$|	\(\Longleftrightarrow\)	$\Longleftrightarrow$|	\(\leftrightsquigarrow\)	$\leftrightsquigarrow$|
\(\longmapsto\)	$\longmapsto$|	\(\rightarrowtail\)	$\rightarrowtail$|	\(\leftarrowtail\)	$\leftarrowtail$|
\(\dashrightarrow\)	$\dashrightarrow$|	\(\dashleftarrow\)	$\dashleftarrow$|	\(\circlearrowright\)	$\circlearrowright$|
\(\circlearrowleft\)	$\circlearrowleft$|	\(\Rsh\)	$\Rsh$|	\(\Lsh\)	$\Lsh$|
\(\hookrightarrow\)	$\hookrightarrow$|	\(\hookleftarrow\)	$\hookleftarrow$|	\(\curvearrowright\)	$\curvearrowright$|
\(\curvearrowleft\)	$\curvearrowleft$|	\(\looparrowright\)	$\looparrowright$|	\(\looparrowleft\)	$\looparrowleft$|
\(\xleftarrow{a}\)	$\xleftarrow{a}$	\(\xrightarrow{a}\)	$\xrightarrow{a}$	\(\xleftrightarrow{a}\)	$\xleftrightarrow{a}$
\(\overrightarrow{a}\)	$\overrightarrow{a}$	\(\overleftarrow{a}\)	$\overleftarrow{a}$	\(\overleftrightarrow{a}\)	$\overleftrightarrow{a}$
\(\underrightarrow{a}\)	$\underrightarrow{a}$	\(\underleftarrow{a}\)	$\underleftarrow{a}$	\(\underleftrightarrow{a}\)	$\underleftrightarrow{a}$

方程組

\[f_{\epsilon}(t) = \begin{cases} \frac{1}{\epsilon}, -\frac{\epsilon}{2} \leq t \leq \frac{\epsilon}{2} \\ 0, otherwise \end{cases} \]

$$
f_{\epsilon}(t) =
\begin{cases}
\frac{1}{\epsilon}, -\frac{\epsilon}{2} \leq t \leq \frac{\epsilon}{2} \\
0, otherwise
\end{cases}
$$

\[\begin{aligned} f(t) & = \frac{(s+1)(s+3)}{(s+1)(s+2)(s+5)} \\ & = \frac{s+3}{(s+2)(s+5)} \end{aligned} \]

$$
\begin{aligned}
f(t) & = \frac{(s+1)(s+3)}{(s+1)(s+2)(s+5)} \\
& = \frac{s+3}{(s+2)(s+5)}
\end{aligned}
$$